Commentary on Dion Phaneuf’s value to the Maple Leafs, P.K. Subban’s new contract, concussions, social media’s impact upon hockey news, and a primer for NHL goal celebrations.

ALL HABS: Avi Goldberg on how social media is changing how hockey news is reported, with insights from Darren Dreger, Elliotte Friedman, Michael Grange and Larry Brooks.

Can the NHL do more to protect its players from concussions?

Can the NHL do more to protect its players from concussions?

SB NATION: Travis Hughes points out Gabriel Landeskog’s recent injury proves the NHL needs to be more in protecting its players from concussions.

HOCKEY BUZZ: Eric Engels explains why this year’s Montreal Canadiens are a far cry from last season’s train wreck.

BACKHAND SHELF: Ryan Lambert isn’t among those showering Canadiens GM Marc Bergevin with plaudits for re-signing P.K. Subban to an inexpensive short-term deal.

FIVE MINUTES FOR FIGHTING: Dion Phaneuf is more valuable to the Toronto Maple Leafs than his critics would have you believe.

DOWN GOES BROWN: Nail Yakupov’s exuberant goal celebration inspired this primer on goal-scoring celebration etiquette.